Ep. 30: The Minor Trio investigates the Healing Chest while Hibiki faces musical troubles after a failed exam.

30

The Minor Trio discovers information regarding the Healing Chest and resolves to conduct an investigation into its secrets. Concurrently, Hibiki feels disheartened due to her poor performance on an English examination. This emotional distress triggers strange musical phenomena in her vicinity. Subsequently, the Minor Trio constructs a Negatone using Hibiki's failed test paper. This entity manifests as an English exam that assaults Hibiki, punishing her for every incorrect answer. The Cures engage in battle against this manifestation and successfully defeat the Negatone, resolving the crisis caused by Hibiki's academic struggle and the resulting negative energy.